WO2017220514A1 - Module accumulateur à dissipation thermique optimisée - Google Patents

Module accumulateur à dissipation thermique optimisée Download PDF

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Publication number
WO2017220514A1
WO2017220514A1 PCT/EP2017/064982 EP2017064982W WO2017220514A1 WO 2017220514 A1 WO2017220514 A1 WO 2017220514A1 EP 2017064982 W EP2017064982 W EP 2017064982W WO 2017220514 A1 WO2017220514 A1 WO 2017220514A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery cells
housing
carrier
cell
accumulator module
Prior art date
Application number
PCT/EP2017/064982
Other languages
German (de)
English (en)
Inventor
Michael Schnakenberg
Original Assignee
Michael Schnakenberg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Michael Schnakenberg filed Critical Michael Schnakenberg
Priority to US16/310,813 priority Critical patent/US11600877B2/en
Priority to DK17734014.8T priority patent/DK3472878T3/da
Priority to PL17734014T priority patent/PL3472878T3/pl
Priority to ES17734014T priority patent/ES2820570T3/es
Priority to EP17734014.8A priority patent/EP3472878B1/fr
Publication of WO2017220514A1 publication Critical patent/WO2017220514A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/643—Cylindrical cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H01M50/522—Inorganic material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention generally relates to a basically known per se device for storing electrical energy and for contacting thereof energy storage cells, that is, a functioning as an energy storage device (energy ⁇ storage device).
  • DE 10 2012 213 273 A1 describes an energy storage device for a vehicle. Generally, energy storage devices are used for mobile power, backup power, and the like.
  • An object of the present invention is to provide a unit, referred to as accumulator Energyspei ⁇ chervorraum with an optimized heat dissipation in encompassed by the accumulator battery cells.
  • the invention proposes a new type of heat dissipation from accumulator units hereinafter referred to as rechargeable battery cells - the so-called secondary cells acting as energy storage cells - in particular rechargeable battery cells in the form of round cells, and in a particular embodiment an optionally combinable new type for efficient current conduction.
  • tion in from the accumulator included in front of the battery cell in particular ⁇ sondere one battery cell in the form of a circular cell, or a group of such battery cells. This is done by the cell contacting, namely an electrically conductive ZellWallettechnik for power management of and / or to the respective battery cell, takes place exclusively from one side.
  • the opposite side is available for pure heat dissipation.
  • the heat can thus be transported by the shortest route to or to a cooling surface or the like.
  • the battery cells are held in position via a cell holder acting as a carrier.
  • an accumulator module functioning as an energy storage device having the features of claim 1.
  • an accumulator in the interior of a housing of Akkumula ⁇ Call Module at least one equippable with a plurality of battery cells carrier can be placed and an operable accumulator is in the interior of the housing at least one tipped with a plurality of battery cells carrier sheet plate-.
  • Each battery cell is electrically contacted in the carrier only on one side and the or each equipped with rechargeable batteries carrier is placed in the interior of the housing of Akkumulatormo ⁇ module in a free end surfaces of the battery cells thermally coupled to a heat sink shape, for example, acting as a heat sink side surface of the housing.
  • the housing acts asdekör ⁇ per example.
  • the housing or the relevant side surface of the hous ⁇ ses receives the heat energy derived from the battery cells and outputs them, for example by convection to the environment. Additionally or alternatively, by means of the housing or the relevant side surface of the housing, a targeted heating of the battery cells can take place.
  • the peculiarity of the accumulator module proposed here consists in the summary of the only one-sided electrically contacted battery cells in the carrier.
  • Battery cells whose outer surfaces act as poles are conventionally ren, known at both ends, so for example, battery cells in the form of round cells at their two end faces / faces, contacted.
  • the hereinafter sometimes briefly only as a one-sided contacting designated only unilateral electrical contact of the battery cells allows a particularly space-saving shape of the electrically conductive connection of a plurality of battery cells and because of the lack of necessity, printed conductors of an end of a Ak ⁇ kuzelle into the region of the To have to provide opposite end, even a high packing density of a plurality of battery cells, as summarized by the approach proposed here in an accumulator module.
  • the short conductor lengths and few material transitions lead to only a low power loss.
  • the one-sided contact and the possible combination of the battery cells also means that all the battery cells of a carrier can be placed therein in the manner described above. Said one-sided contacting does not refer not ⁇ maneuverable to a single geometric outer surface of the battery cell jewei ⁇ time / round cell. Rather, the term contacting einsei ⁇ refers to one of the other along a
  • the one-sided contact with it basically on the top or bottom surface of the round cell limited by, for example, concentric sections of the lid or bottom surface as Po ⁇ le act.
  • the one-sided contacting can but the top or bottom surface and a cover or bottom side portion of the lateral surface concern, on the one hand by a portion of the top or bottom surface, and on the other hand a cover or base side portion of the jacket surface ⁇ as Poles act.
  • a cover-side section of the lateral surface of a rechargeable cell is a cover surface closing surface section; a bottom-side portion of the lateral surface of a rechargeable battery cell is corresponding to a surface portion adjoining the bottom surface.
  • the free ends of the rechargeable battery cells which are only electrically contacted on one side, protrude beyond the carrier, pointing in the same direction, and the free end faces of the rechargeable battery cells are in one plane or at least substantially in one plane. Since the free ends of the rechargeable battery cells, which are contacted only on one side, protrude beyond the carrier, all point in the same direction, and the free end faces of the rechargeable battery cells are in one plane or at least substantially in one plane, the result is to a certain extent an end plane which is indirectly or can be brought directly into contact with a heat sink or the then acting as a heat sink housing of the accumulator module.
  • the face plane ensures that all Akkuzel ⁇ len a wearer of the cooling (or warming) participate.
  • two carriers fitted with accumulator cells can be fixed in the housing of the accumulator module by means of at least one spacer, and this fixation causes the free end faces of the accumulator cells placed in the carriers to abut against the housing on the inner surface of the housing for heat dissipation.
  • the fixation of the carrier in the housing and on the other hand causes the thermal coupling of the battery cells to the housing.
  • the at least one spacer spreads the two carriers apart in the housing and presses the battery cells placed in the carriers against the inner surface of the housing.
  • this has an insulator between the free end faces of the battery cells and an inner surface of the housing, wherein for the thermal coupling of the free end faces of the battery cells to the housing, the free end faces of the battery cells rest on the insulator and the insulator is in turn connected to the inner surface of the housing, for example by gluing.
  • the free end faces of the battery cells form the bottom of a cup, which largely encloses the battery cells and which is closed at the opposite end by a further end face with a local frontal contact.
  • the free end faces thus provide overall nauso as the outer surface of the battery cells of a Po whose ⁇ len.
  • an insulator is therefore provided between the free end faces of the accumulator cells and the thermally contacted inner surface of the housing.
  • a metallic housing may be used for the accumulator module.
  • an insulator for example, an insulator in the form of an applied on the inner surface of the or each thermally contacted side surface of the housing, in particular glued insulating film into consideration.
  • each battery cell is individually axially resiliently mounted in the carrier. This single resilient mounting ensures that pressed in in its entirety against a heat sink or an inner surface of the housing battery cells, a tole ⁇ ranzaus GmbH is possible, so that it is ensured that JE de individual battery cell (with its free end face at each ⁇ cock surface heatsink , Housing).
  • one / each carrier has a plurality of regularly spaced cell connectors aligned parallel to one another, each rechargeable battery cell being individually axially spring-mounted in the carrier, by resilient contact tongues of a cell connector and Kon ⁇ tactical flags of another cell connector each contact a Ak ⁇ kuzelle.
  • act as a contact means for only one-sided electrical see contacting the battery cells special electrically conductive cell connectors, on the one hand a frontal contact, in particular a center contact, at least one battery cell or the frontal contacts, in particular with ⁇ tel prestigee, all battery cells of a group of battery cells and on the other hand contact a lateral surface of at least one battery cell or the lateral surfaces of all battery cells of a group of battery cells.
  • the contacting takes place from the cover surface of a battery cell / round cell and a dor ⁇ term frontal contact to a side surface of another battery cell / round cell or vice versa.
  • center contacts as the frontal contacts of the battery cells. Whenever a center contact is mentioned, however, the more general specification is always to be read as frontal contact.
  • each cell connector is characterized by an elongated shape and contacted along its
  • each cell connector can contact multiple battery cells, namely a plurality of battery cells arranged in a row.
  • One without such an elongated shape necessary ge cross-wiring is eliminated. This saves space, leads to a reduced number of material transitions and thus leads to a reduced power loss and finally simplifies the installation of an accumulator module.
  • each cell connector has in a stepped profile a horizontal section, at least one adjoining vertical or at least substantially vertical section, optionally a plurality of vertical sections regularly spaced along the longitudinal extension of the cell connector, and again thereon subsequently comprises at least one lateral section or a plurality of lateral sections adjoining in each case a vertical section, and in that the contact tongues belong to the horizontal section and the contact lugs belong to the lateral section or the lateral sections.
  • a cell connector can on the one hand contact a plurality of rechargeable battery cells on their cover sides and on the other hand a plurality of further rechargeable battery cells on their lateral surfaces, so that the above-mentioned unilateral contacting results for a plurality of rechargeable battery cells.
  • the rechargeable battery cells included in their lateral surfaces have a constriction in the form of a completely or at least partially circumferential circumferential groove (elongated recess) and the tabs of the cell connectors engage in electrically constricting the battery cells in their constrictions ,
  • the engaging in such constrictions tabs are aligned transversely or substantially transversely to the central longitudinal axis of the battery cells.
  • the contact forces engaging in the constrictions Consequently, the battery cells fix in the axial direction.
  • the contacting of the battery cells resulting from engagement in the constrictions thus fulfills a dual function. On the one hand, there is a secure, electrically conductive contacting. On the other hand results in a mechanical contact, which leads to an axial fixation of the battery cells.
  • an accumulator module in which an electrically conductive contacting and axial fixing of the rechargeable battery cells takes place by means of contact lugs which engage in constrictions in the lateral surfaces of the rechargeable battery cells, one or each rechargeable cell placed in the carrier is in the constriction by means of the or each engaging contact lug in the carrier releasably latched.
  • Each cell connector is therefore at least partially connected to the carrier, for example by the cell connector is fixed in or on the carrier.
  • the latching of a battery cell is carried out by the engagement of at least one contact lug in the constriction. The catch can be released when the or each contact track is disengaged from the neck.
  • an accumulator module in which an electrically conductive contact and an axia ⁇ le fixation by means of tabs which engage in constrictions in the lateral surfaces of the battery cells, one / each placed in the carrier battery cell by means of or each of the center contact contacting contact tongue of a cell connector and the or each engaging in the constriction contact tab of another cell connector by the two cell connectors clamped and clamped in the inserted state by the two cell connectors and the contact tongues or tabs.
  • This clamping causes each battery cell is held only or at least substantially by the cell connector intended for electrically conductive contacting.
  • the accumulator module gegen Plli- surfaces of the or each vertical or at least substantially vertical portion of a Zellver ⁇ binder acts as a spring element.
  • the or each vertical portion and thus each cell connector acts as a total spring element.
  • the material of the cell connector is any elec- fresh conductor into consideration, so for example copper or the like. Such materials allow such elastic mobility.
  • the or each vertical section with the adjoining lateral section is thus resiliently movable and elastic resilience also ensures a secure electrically conductive Kon ⁇ takting the battery cells, especially a simultaneous secure electrically conductive contacting multiple battery cells.
  • the carrier comprises the cell connectors intended for the electrically conductive contacting of the battery cells which can be placed in the carrier as an integral component, for example by encapsulating the cell connectors with the material of the carrier (plastic) during the production of the carrier.
  • the cell connectors are then integrated in the carrier vibration-proof.
  • Such a carrier considerably simplifies the installation of an accumulator module.
  • the carrier is produced in one production step and finally just have to be equipped with Akkuzel ⁇ len. The assembly can even be automated and can take place in the form of a simultaneous placement of several or all battery cells. Only with the placement of a battery cell in such a carrier is already their electrically conductive connection and their mechanical holding ⁇ tion in the carrier completed.
  • the carrier has a peripheral edge and regularly spaced pins on a surface bounded by the edge, wherein a group of pins or a portion of the edge together with at least one pin slots for placement of a respective battery cell in the carrier define.
  • the defined slots ensure that one / each battery cell placed in the carrier assumes a position in which at least one secure electrically conductive contact, in particular a secure electrically conductive contact and a secure mechanical support, is ensured.
  • edge and / or the pins act as a guide when placing a battery cell or simultaneously placing multiple battery cells in the carrier.
  • the edge and the pins also act as Auflageflä ⁇ chen for the battery cells.
  • At least one side surface of the housing in particular at least each side surface of the housing, are to which Akkuzel ⁇ len thermally coupled, are provided on the outside with cooling fins and / or that the housing of a fluid having flow-through cooling channels.
  • the embodiment is not intended to limit the He ⁇ making.
  • energiespei ⁇ cherzellen come instead of that shown in the embodiment of round cells with a different geometric shape, for example block-shaped energy storage cells, into consideration, and according to other possible geometric forms are always read along.
  • additions and modifications are possible, in particular those that correspond to features contained, for example, by Kombina ⁇ tion or modification of detail in conjunction with those described in the general or specific part of the description and in the claims and / or the drawing or process steps for the expert with regard to solving the problem can be removed and lead by combinable features to a new subject or to new ⁇ en process steps or process steps.
  • FIG. 10 shows two by means of a cell connector according to FIG. 9
  • the carrier in a view from above with the cell connectors embedded therein, 13 shows the entirety of all cell connectors embedded in a carrier without the surrounding carrier
  • Fig. 16 is an illustration for illustrating a heat transfer from the battery cells to a housing of the accumulator module
  • Fig. 17 shows a detail of a representation with at the
  • FIG. 1 schematically shows, in simplified form, an accumulator module 10 functioning as an energy storage device.
  • An accumulator module 10 according to FIG. 1A can be used individually as a current or voltage source (in the following, as required, only the property of the accumulator module 10 as a voltage source, a function as a current or generally as an energy source is, of course, read along).
  • An accumulator module 10 according to FIG. 1A can be combined, for example, with an accumulator module 10 according to FIG. 1B or with a battery module 10 according to FIG.
  • the Akkumu ⁇ latormodule 10 are thereby arranged strand-like successively ⁇ such that a rear side surface of an Ak- Cumulator module 10 facing a front side surface of an ensuing in the resulting strand accumulator module 10.
  • the battery ⁇ mulatormodul 10 forms in accordance with FIG 1A the completion of a resulting in power train.
  • the number of accumulator modules 10 preceding the strand either according to FIG. 1B or alternatively according to FIG. 1C is basically arbitrary. In an interconnection of several accumulator modules 10 according to FIG.
  • a parallel circuit results with the result of a current which can be tapped off at the input of the string of the mutually connected accumulator modules in the amount of the sum of the currents which can be output by the individual accumulator modules.
  • Each accumulator module 10 includes a housing 12 (FIG. 2) that receives the battery cells 14 (FIG. 2).
  • the representation in Figure 2 shows a partially exploded view of one embodiment of a subject accumulator module 10.
  • the housing 12 or at least substantial housing member fun ⁇ yaws a portion of an extruded profile.
  • Four side surfaces of the housing 12 enclose a cavity which receives the battery cells 14.
  • the open sides of the housing 12 are closed by means not shown here (front and back) side surfaces, which act as the front and back of the accumulator ⁇ module 10.
  • the terminals of the accumulator module 10 are led to the front side.
  • FIG. 2 shows that in the case of an objective accumulator module 10, a multiplicity of accumulator cells 14 are used and
  • the battery cells 14 are there ⁇ in two groups each in a matrix-like (side by side and one above the other, so to speak in rows and columns) summarized.
  • the number of combined in such a group in egg ⁇ ner row battery cells 14 and the number of lines depends on the size and shape of the battery cells 14 as well as the interior volume of the housing 12, but is basically optional.
  • the dimensions (Zei ⁇ len, columns) of both groups within a Akkumulatormo ⁇ duls 10 are preferably identical.
  • the rechargeable battery cells 14 are contacted in an electrically conductive manner by means of contact elements which act as cell connectors 16.
  • a carrier 18 receives the battery cells 14 and the cell connectors 16.
  • the carrier 18 accommodates the cell connectors 16 in that the material of the carrier 18 partially surrounds the cell connectors 16.
  • the carrier 18 is a hybrid component and includes the cell connectors 16 as an integral part.
  • the battery cells 14 receives the carrier 18 at designated slots.
  • the carrier 18 holds (in the sense of a fixation) the individual battery cells 14 in the positions predetermined by the slots and fixes them in their axial orientation.
  • stocked carriers 18 is a central unit, not shown, for example, a central unit, which comprises a basically known per se battery management system, a current measuring path, a switchable relay and / or a fuse and from the outwardly guided terminal contacts go off ⁇ go.
  • a central unit which comprises a basically known per se battery management system, a current measuring path, a switchable relay and / or a fuse and from the outwardly guided terminal contacts go off ⁇ go.
  • a carrier 18 equipped with battery cells 14 is shown in the illustration in FIG. To illustrate the placement of a battery cell 14 at its slot in the carrier 18, a battery cell 14 is shown above the carrier 18 and above the slot provided for receiving it.
  • the Battery cell 14 is inserted into the carrier 18 by ent ⁇ long moves the illustrated in Figure 3 by means of the block arrow direction and placed on the free slot in the carrier 18.
  • the diagram in Figure 4 illustrates on the one hand the carrier 18 (with the thus integrally bonded cell connectors 16) and the other above the support 18, 14 for placement in the Trä ⁇ ger 18 certain battery cells, the representation in Figure 4 can further details of the support 18 recognize.
  • the carrier 18 has an outer circumferential edge 20 and in the limited area of the edge 20 regularly spaced dome-shaped pin 22.
  • Each pin 22 has four in the circumferential direction of the pin 22 regularly spaced concave surface portions, namely surface portions of a cylinder shell, on.
  • the Ra ⁇ dius of these surface sections substantially corresponds to the radius of a battery cell configured as a round cell 14.
  • a plurality of pins 22 in a matrix-like structure is arranged side by side in the limited from the edge 20 surface.
  • the distance between the pins 22 corresponds to a group of four pins 22 holds (in the sense of a fixed gear ⁇ tion) a battery cell 14 and fixes them in the axial direction-substantially to the diameter of an executed as a round cell battery cell 14, respectively.
  • the edge 20 comprises a plurality of adjoining and in the direction of the pins 22 concave surface portions, namely surface portions of a cylinder jacket. The radius of these surface portions corresponding to just ⁇ if substantially exposed to the radius of a round cell led battery cell 14.
  • Such a surface portion holds (in the sense of a fixing) together with two adjacent pins 22 each have a battery cell 14 and fixes them in the axial direction.
  • At the four corners of the rim 20 results in a concave surface portion, the radius of which also corresponds essentially borrowed the radius of a designed as a round cell battery cell 14.
  • the arc length of this surface section is longer than the arc length of the previously mentioned area.
  • ge ⁇ means that, for example, the radius of the surface portions of the pins 22 is slightly larger than the radius of the battery cell 14, so that a positive surface fit is possible.
  • FIG. 5 shows the support 18 according to Figure 3 and Figure 4 are 14 figuration from a different perspective and with the fact plat ed ⁇ battery cells
  • Fig. 2 con- two carrier 18 into the housing 12
  • Figure 2 expansion spacer 24
  • Figure 2 fixed in the housing 12, preferably in a manner in which the free tops / free end faces / free End surfaces of the battery cells used in the carrier 18 14 abut the housing 12 on the inner surface of the housing 12 for heat dissipation.
  • the carriers 18 are dimensioned so that they are straight in the
  • Housing 12 fit. In the inserted state, the respective carrier 18 is thus already fixed to a certain extent in the housing 12.
  • the T-profile determines a minimum distance between the carriers 18 and the spacers 24 are each under a leg of the T-profile and thus pushed between the T-profile and the respective adjacent carrier 18.
  • the spacers 24 are guided during insertion through the T-profile.
  • the spacers 24 are slightly wedge-shaped, so take along their longitudinal axis in their effective (effective in the spreading direction) width and thus cause a displacement of the respective carrier 18th in the direction of the nearest side surface of the housing 12 and finally the fixation of the carrier 18 in the housing 12.
  • Battery cells 14 are known to be contacted in a conventional configuration as round cells or the like at the two ends (front surfaces), namely on the central center contact 28 projecting beyond one of the two end faces and on the opposite end face, the insulation being located on this opposite end face 26 is omitted and thus there the metallic shell, in its entirety next to the first
  • Contacting center contact 28 represents the second contact of the battery cell 14, exposed. Instead of such a conventional contact (double-sided contacting) takes place according to the approach proposed here, the contacting of the battery cells 14 exclusively from one side. Thus, the previously also contacted opposite side, for example, and basically optional for heat dissipation available.
  • the occurring after the approach proposed here one-sided contacting of the battery cells based on a use of specially shaped cell connector 16, on the one hand the center contact 28, at least a first battery cell 14 and to ⁇ whose one free of insulation 26 region of the outer surface 30 of at least one adjacent second battery cell 14 contact.
  • the contacting of a plurality of battery cells 14 thus extends from the top surface of a battery cell 14 and the local center contact 28 to a side surface of a wide ⁇ ren battery cell 14 and a local of 26 insulation area free of the lateral surface 30.
  • the illustration in Figure 6 shows this form of contacting on the example of three battery cells 14. Based on the representation is readily conceivable that 14 more battery cells 14 can connect to the right and left to the three battery cells shown. In addition, it is also conceivable without any further 14 that further battery cells 14 can be located in front of and behind the three battery cells shown, which can be contacted by means of an elongate cell connector 16 extending transversely to the plane of the page. Then, the already mentioned matrix-like An ⁇ order of the battery cells 14 results and these are all contacted on one side in the manner described.
  • FIG. 6 is a schematically simplified illustration of the basic principle of unilateral contacting of the battery cells 14.
  • the illustration shows a possible embodiment of the cell connectors 16.
  • the illustration in FIG. 7 shows a preferred concrete embodiment of the cell connectors 16. Basically, everyone contacts Cell connector 16 on the one hand, the center contact 28 at least one battery cell 14 and on the other hand, the lateral surface 30 at least a be-barten Akkuzelle 14. In the embodiment according to Figure 7, the contacting of the lateral surface 30 in the region of a constriction 32 in the lateral surface 30.
  • FIG. 8 shows a side view of a group of rechargeable battery cells 14 as in FIG. 3 or FIG. 4, that is to say a group of rechargeable battery cells 14 which can be placed together in a carrier 18.
  • the group of battery cells 14 shown in FIG. 8 has exactly seven batteries.
  • kuzellen 14 includes. According to FIG. 3 and FIG. 4, seven times ten battery cells 14 can be placed in the carrier 18.
  • the group shown in Figure 8 is thus one of the Siebener Herbert Horn in the carrier 18.
  • a larger or smaller dimensioned th carrier 18 other numerical values are of course mög ⁇ Lich and the numerical values mentioned herein as well as the numbers shown are expressly only exemplary.
  • the electrically conductive connection of the group of battery cells 14 is completed by two special cell connectors 16, which act as first and last cell connector 16 and terminal lugs 36, 38 (first terminal lugs 36, second terminal lugs 38), which are also already shown in the illustrations in Figure 2, Figure 3 and Figure 4, but not indicated in Figure 2.
  • These special cell connectors 16 PLEASE CONTACT ⁇ ren only one row (group) of battery cells 14, namely the special cell connector to the right as shown in Figure 8.
  • FIG. 9A, 9B, 9C and 9D shows such an elongated cell connector 16 in different views. Specifically in the plan view of one of the front sides of the cell connector 16 in the illustration in FIG. 9D (viewing direction parallel to the longitudinal axis of the cell binder 16) is the angled design already shown in FIGS. 6, 7 and 8 and the step profile of the cell ⁇ connector 16 recognizable. Thereafter, a cell connector 16 comprises three sections, which are referred to for the purpose of a simple designation as HO- rizontaler portion 40, vertical portion 42 anditli ⁇ cher portion 44th By means of the horizontal portion 40, the center contacts 28 are contacted by battery cells arranged spatially in a row and grouped together in a row to form a group.
  • HO- rizontaler portion 40 By means of the horizontal portion 40, the center contacts 28 are contacted by battery cells arranged spatially in a row and grouped together in a row to form a group.
  • the lateral section 44 can also be understood as a summary of several lateral sections 44 in a plane, wherein each individual lateral section 44 for contacting an Ak ⁇ kuzelle 14 is determined. In the embodiment shown (see in particular the illustrations in FIGS. 9A and 9B)
  • each such lateral portion 44 connects to a ei ⁇ genen vertical portion 42, so that the cell connector 16 in the embodiment shown in one piece next to the elongated horizontal portion 40 a plurality of outgoing and regularly spaced vertical sections 42 and each subsequent thereto lateral sections 44 includes ,
  • Each cell connector 16 is fixed in or on the carrier 18, for example by the horizontal section 40 of each Zellverbin ⁇ DERS 16 is coated with the material of the carrier 18 at its herstel ⁇ lung.
  • the horizontal section 40 comprises eight paired with each other free end facing, resilient and angled Kunststoffzun ⁇ conditions 46, in principle, more or less contact tongues 46 come into consideration and also represents the paired arrangement only a special embodiment.
  • the embodiment shown with parallel aligned contact tongues 46 is characterized by a simple manufacturability.
  • the free ends of the or each contact tab 46 rest on a contacted center contact 28 of a battery cell 14, or the center contact 28 of a battery cell 14 rests on the free ends of the or each contact tab 46.
  • the majority of the contact tongues 46 ensures that, for example, even with one or even more damaged contact tongues 46, the remaining contact tongues 46 still produce a secure electrically conductive connection.
  • each individual contact tongue 46 resting against the center contact 28 makes electrically conductive contact with the battery cell 14, resulting in a plurality of simultaneously effective contacts. This ensures reliable electrically conductive contacting of the center contact 28 with the lowest possible contact resistance.
  • Each lateral portion 44 terminates in at least one Kon ⁇ clock banner 48.
  • the contact lugs 48 are particularly well in the illustration in FIG 9C recognizable showing a plan view of the cell connectors sixteenth In the embodiment shown, four parallel aligned contact lugs 48 are provided for contacting respectively one battery cell 14 and together form a group of contact lugs 48. More or less than four contact lugs 48 are basically also possible. Each belonging to a group contact lugs 48 are recognizable different lengths. Two outer, long tabs 48 include two inner, shorter tabs 48.
  • the cell connector 16 engages in an embodiment according to FIG. 9 into the constriction 32 of the lateral surfaces 30 of the battery cells 14 and the one mentioned
  • Circular arc ensures that each individual contact lug 48 engages in the constriction 32. Again, the majority of the tabs 48 ensures that, for example, even with one or even more damaged tabs 48, the remaining tabs 48 still make a secure electrically conductive connection. In addition, each individual engages in the constriction 32 and / or on the lateral surface 30 of the battery cell 14 adjacent contact lug 48 a
  • the intervention in the constriction 32 is made possible by the given in the material properties of the cell connector 16 elastic deformability of the contact lugs 48 light ⁇ /.
  • the vertical portion 42 acts with its given under the material properties of the cell connector 16 elastic deformability as a spring element.
  • the cell connector 16 is made of at least one electrically conductive material, for example copper or copper alloys.
  • the contact lugs 48 can dodge and slide on further insertion of the battery cell 14 in the carrier 18 on the lateral surface 30 of the battery cell 14 along. For even more Inserting the battery cell 14 in the carrier 18, the contact lugs 48 finally reach the region of the constriction 32 and dip into it. This is shown in the illustration in FIG. 10 using the example of two battery cells 14 and a cell connector 16 connecting them.
  • the contact lugs 48 are bent in the course of insertion of the battery cell 14 shown on the left in the axial direction in the (not shown) carrier 18 in the insertion direction.
  • the horizontal portion 40 and the vertical portion 42 of the cell connector 16 are fixedly connected to the carrier 18, so for example surrounded by the material of the carrier 18.
  • the ends of the contact lugs 48 engage in the constriction 32 a.
  • the contact lugs 48 are at least on one edge of the constriction 32 (in the illustration on the lower edge of the constriction 32) and at this point there is an electrically conductive contact with the lateral surface 30 of the battery cell 14.
  • Re ⁇ geliques are also the ends the contact lugs 48 on an area bounding the constriction 32 (in the illustration on the upper horizontal, the constriction 32 delimiting surface) to.
  • the height of a cell connector 16 determined by the length of the vertical section 42, together with the position of the constriction 32 in the lateral surface 30 of the battery cells 14, are selected so that when the contact lugs 48 engage in the constrictions 32 of a first series of battery cells 14, the contact tongues 46 rest under mechanical tension on the center contacts 28 of an adjacent second row of battery cells 14.
  • Each individual battery cell 14 is clamped as it were between the contact tongues 46 of a cell connector 16 and the contact ⁇ flags 48 of the adjacent cell connector 16 in the inserted state in the carrier 18 state. This ensures, in addition to the already mentioned secure me ⁇ chanical holder and releasable locking in the carrier 18, above all, a secure and permanent electrically conductive contact each battery cell 14th
  • the two special cell connectors 16 mentioned above in connection with the illustration in FIG. 8 are essentially essentially a cell connector 16 divided along its longitudinal axis with lateral connection lugs 36, 38.
  • One of these special cell connectors 16 (FIG. 8, right ) comprises the contact lugs 48 - or all ⁇ common means for contacting a group of battery cells 14 on the lateral surfaces 30, in particular in constrictions 32 in the lateral surfaces 30.
  • the other special cell connector 16 ( Figure 8, left) comprises the contact tongues 46 - or generally Means for contacting a group of battery cells 14 at their end faces, in particular their center contacts 28.
  • FIG. 11 and FIG. 12 show the carrier 18 with the cell connectors 16 (embedded therein) in a plan view.
  • the peripheral edge 20 can be seen, as well as the regularly spaced pins 22.
  • the contact tongues 46 and the contact lugs 48 of the cell connector 16 can be seen (see especially the enlarged view in Figure 12).
  • the braces in the lower part of the illustration in FIG. 12 show the
  • each one cell connector 16 Width of each one cell connector 16, so that it becomes clear that a cell connector 16 on the one hand covers the arranged in a row ⁇ receiving positions for each battery cell 14 in the carrier 18 and on the other hand to the Frepositi- ons an adjacent in the carrier 18 series.
  • FIG. 13 again shows (as in FIG. 2) the entirety of the cell connectors 16 belonging to a carrier 18 with the outer special cell connectors 16 and their terminal lugs 36, 38 as well as the cell connectors 16 enclosed by the special cell connectors 16 a carrier 18 belonging cell connector 16 regularly spaced and spatially aligned parallel to each other.
  • FIGS. 14 and 15 show a carrier 18 completely equipped with rechargeable battery cells 14 and the circuit diagram of such a carrier 18 with the rechargeable battery cells 14 represented by the corresponding circuit symbol and the combination circuit of the rechargeable battery cells 14 resulting from the cell connection 16
  • the regions of the cell connectors 16 are designated by curly brackets.
  • Battery cells 14 are the front surfaces with the center contact 28 opposite end faces of all placed in a carrier 18 battery cells 14 free and are available for efficient heat dissipation.
  • These end faces of the AK kuzellen 14 are type-specific metallic, because usually these end faces are adjacent to the center contact 28 as a second contact when connecting a battery cell 14 USAGE ⁇ det.
  • the metallic faces also allow efficient heat transfer.
  • the entirety of the metallic front surfaces of all accumulator cells 14 combined in a carrier 18 can be seen particularly well in the illustrations in FIG. 3, FIG. 4 and FIG. There, it is also clear that the mentioned end faces of all the battery cells 14 combined in a carrier 18 are aligned with one another. All end faces are therefore in the same plane or at least substantially in the same plane.
  • the heat transfer occurs by all placed in a support cells 14 18 Battery with its aforementioned end faces on the inside of a side surface of the housing 12 are located at ⁇ so that a heat transfer to the housing 12 takes place.
  • a heat transfer to the housing 12 takes place.
  • This heat is - also according to the physika ⁇ lic laws - delivered by convection to the environment.
  • the heat output can be increased in principle, in a known way by increasing the effective surface of the housing 12 and accordingly, the Ge ⁇ housing 12 optionally on the outer surface of at least some lateral surfaces ribs or the like, at least surface-chenverierernde elements.
  • FIG. 16 shows a representation similar to the representation in FIG. 6, wherein a representation of the one-sided contacting, which stands in the foreground in the illustration in FIG.
  • the one-sided contacting in particular the one-sided contacting ge ⁇ Weg ⁇ Weg ⁇ Weg 6 Figure 7 or Figure 8 is nevertheless present, such that reference is made to avoid unnecessary repetition of the respective preceding description.
  • the effective as a support surface length of the pins 22 and / or the edge 20 at least about one third of the length of the battery cells 14 corresponds, with an embodiment with a greater effective length is also possible.
  • the free ends of the unilaterally contacted rechargeable battery cells 14 or of a carrier 18 protrude beyond the carrier 18 and the end faces there all point in the same direction, namely in the direction of an inner surface of a side wall of the housing 12.
  • the end faces are also parallel to one another parallel to the inner surface of the Ge ⁇ housing 12. All end faces are located in a plane o- at least substantially in a plane.
  • the battery cells 14 are located on either directly on the inner surface of the housing 12 or indirectly to the inner surface of the housing 12 to a surface mounted on the surface of the housing 12 réelleoberflä ⁇ electrical insulator 50 with these end faces.
  • the insulator 50 is optionally a highly thermally conductive insulator 50, for example an insulator 50 in the form of an acrylic film or a foil of aluminum oxide.
  • Such a film is, for example, a film with a small thickness, for example a thickness of 0.2 mm to 0.3 mm.
  • the bifurcated block arrows show the transfer of heat from a respective battery cell 14 to the housing 12 and illustrate that the transmitted into the housing 12 heat energy is distributed there entspre ⁇ accordingly the physical laws, so that instead of the relatively small end surfaces of the AK kuzellen 14, the considerably larger Surface of the housing 12 or a respective side surface of the housing 12 for heating the battery cells 14 is effective.
  • the block arrow drawn next to the carrier 18 and pointing in the direction of the housing 12 and the block arrow drawn next to the housing 12 and pointing in the direction of the carrier 18 and the battery cells 14 placed therein illustrate that to obtain the thermal contacting of the housing 12 either the Carrier 18 with the battery cells 14 placed therein in the direction of the relevant side wall of the housing 12 or the housing 12 or its side wall in the direction of the battery cells 14 placed in the carrier 18 are moved.
  • Such a movement of a carrier 18 with the battery cells 14 assembled therein takes place by means of at least one spacer 24 (FIG. 2), it being assumed in the embodiment shown in FIG. 2 that the housing 12 accommodates two loaded carriers 18 which have the free ends of the battery cells 14 placed therein in opposite directions.
  • the or each spacer 24 is accordingly inserted between the two supports 18 after they have been placed in the housing 12 simultaneously or sequentially.
  • the distance between the supports 18 functions of the spacer 24 as expansion element
  • increases so that these by the or each distance ⁇ piece 24 in the direction of the respective opposite Be ⁇ ten Chemistry of the housing 12 are pressed.
  • the free end faces of the battery cells 14 come into contact with the inner surface of the relevant side wall of the housing 12 or an insulator 50 mounted there and the desired thermal contacting of the housing 12 is given.
  • FIG 17 shows in an enlarged part of the housing 12 according to figure 2, wherein the optionally present on the outer surface of the housing 12 cooling ribs are visible, as well as individual means of an Trä ⁇ gers 18 against the inner surface of the side wall of the housing 12 shown
  • the mentioned spring ⁇ de axial mobility of the battery cells 14 is given by means of pressing on the center contact 28 contact tongues 46 and engaging in the constriction 32 contact lugs 48.
  • the heat output from the housing 12 to the environment can be supported by an optional additional heat dissipation of the housing 12.
  • cooling by means of a fluid flowing through cooling channels fluid into consideration.
  • the cooling passages extend at least in the thermally contacted by the battery cell 14 side walls of the housing 12 and / or optionally present therein cooling ribs, occurs a deflection of a cooling passage in egg ⁇ NEN next cooling channel, for example by means of a corresponding front and gursei- term side surface ,
  • a controlled heating of the battery cells 14 take place, if these in the manner described above, the inner surface ei ⁇ ner side surface of the housing 12 or there thermally contact attached insulator 50. Then, the housing 12 or the or each relevant side surface is heated to the case ⁇ game electrically or by means of air flowing through cooling channels in the housing 12 Ge ⁇ heated fluid. While the invention has been further illustrated and described in detail by the exemplary embodiment, the invention is not limited by the disclosed or disclosed examples, and other variations can be derived therefrom by those skilled in the art without departing from the scope of the invention.
  • the invention is a battery module 10 with opti ⁇ -optimized heat dissipation, namely, an accumulator 10 with at least one inside of a housing 12 of the Akkumulatormo ⁇ duls 10 placeable and equipped with a plurality of rechargeable batteries 14 carrier 18, each battery cell 14 in the carrier 18 is electrically contacted only on one side and wherein the or each with battery cells (14) equipped carrier (18) inside the housing (12) in a free end faces of the battery cells (14) thermally to the housing (12) coupling form can be placed and placed in an operating lent accumulator module 10.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'invention concerne un module accumulateur (10) à dissipation thermique optimisée, précisément un module accumulateur (10) comprenant au moins un support (18) pouvant être placé à l'intérieur d'un boîtier (12) du module accumulateur (10) et équipé d'une pluralité d'éléments d'accumulateur (14), chaque élément d'accumulateur (14) étant mis en contact électrique d'un seul côté dans le support (18) et le ou chaque support (18) équipé d'éléments d'accumulateur (14) pouvant être placé à l'intérieur du boîtier (12) sous une forme qui couple thermiquement les faces frontales libres des éléments d'accumulateur (14) au boîtier (12).
PCT/EP2017/064982 2016-06-20 2017-06-19 Module accumulateur à dissipation thermique optimisée WO2017220514A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US16/310,813 US11600877B2 (en) 2016-06-20 2017-06-19 Accumulator module having optimized heat dissipation
DK17734014.8T DK3472878T3 (da) 2016-06-20 2017-06-19 Batterimodul med optimeret varmespredning
PL17734014T PL3472878T3 (pl) 2016-06-20 2017-06-19 Moduł akumulatora ze zoptymalizowanym odprowadzaniem ciepła
ES17734014T ES2820570T3 (es) 2016-06-20 2017-06-19 Módulo de batería recargable que tiene disipación de calor optimizada
EP17734014.8A EP3472878B1 (fr) 2016-06-20 2017-06-19 Module accumulateur à dissipation thermique optimisée

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DE202016103251.2 2016-06-20
DE202016103251 2016-06-20

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PCT/EP2017/064979 WO2017220513A1 (fr) 2016-06-20 2017-06-19 Module accumulateur à conduction du courant optimisée

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EP (2) EP3472878B1 (fr)
DK (2) DK3472877T3 (fr)
ES (2) ES2818323T3 (fr)
PL (2) PL3472877T3 (fr)
PT (2) PT3472877T (fr)
WO (2) WO2017220514A1 (fr)

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EP3678213A1 (fr) * 2019-01-07 2020-07-08 Andreas Stihl AG & Co. KG Structure support de cellule destinée à maintenir des cellules d'accumulateur
CN113574723A (zh) * 2018-11-13 2021-10-29 瑞维安知识产权控股有限责任公司 具有近间距圆柱形单元的电池模块及其组装方法
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DE102020207630A1 (de) 2020-06-19 2021-12-23 Robert Bosch Gesellschaft mit beschränkter Haftung Batteriemodul, Verfahren zur Herstellung eines solchen und Verwendung eines solchen
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US20200313259A1 (en) 2020-10-01
DK3472877T3 (da) 2020-09-21
PL3472878T3 (pl) 2021-01-25
US20200313127A1 (en) 2020-10-01
ES2820570T3 (es) 2021-04-21
EP3472878B1 (fr) 2020-07-15
DK3472878T3 (da) 2020-09-14
PT3472878T (pt) 2020-09-25
PL3472877T3 (pl) 2021-02-08
ES2818323T3 (es) 2021-04-09
EP3472877B1 (fr) 2020-07-15
US11600877B2 (en) 2023-03-07
EP3472877A1 (fr) 2019-04-24
US11355803B2 (en) 2022-06-07
PT3472877T (pt) 2020-09-25
EP3472878A1 (fr) 2019-04-24
WO2017220513A1 (fr) 2017-12-28

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